Finding the Fourth Proportional to 2,239,261,625.78, 3,090,795,676.90 and 1,299,766,943.60
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Solution
The fourth proportional to 2,239,261,625.78, 3,090,795,676.90 and 1,299,766,943.60 is: 1,794,035,142.66
Step by Step Solution
- Step 1: Write the proportion equation
2,239,261,625.78 : 3,090,795,676.90 = 1,299,766,943.60 : x - Step 2: Convert to fraction form
2,239,261,625.78/3,090,795,676.90 = 1,299,766,943.60/x - Step 3: Cross multiply
2,239,261,625.78x = 3,090,795,676.90 × 1,299,766,943.60 - Step 4: Simplify right side
2,239,261,625.78x = 4,017,314,050,256,406,016 - Step 5: Solve for x
x = 4,017,314,050,256,406,016/2,239,261,625.78 - Step 6: Final answer
x = 1,794,035,142.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.